ELISA colors chart is mainly used in the choice of colors of electroluminescent about film, fabrics or liquids.
The principle is to have color coded in a universal color chart.
The ELISA colors chart includes 92 color coded as follows:

• Each color is represented by a three-digit code, the first digit represents the hue and the last two the color code

Thus, the code for Cobalt blue color is E013.
This principle allows to know with the color accuracy and nuance which is designated.

You can download this free colors chart shared by Electroluminescent-shop.com